Table 6.
Chemical distributions of heavy oil (350 °C, 25 wt% ethanol)

RT		Compound	Relative area
			Bio-oil	CoMo/Al2O3	NiMo/Al2O3	NiFe/HBeta	NiFe/zeolite Y	NiFe/ZSM-5
				Acids
3.3		Acetic acid	3.5	-	-	-	-	-
	Esters
3.4		Acetic acid, ethyl ester	-	1.7	1.8	1.7	2.9	2.1
	Ketones
11.6		2-Methyl-2-cyclopenten-1-one	-	0.3	0.4	0.2	0.4	0.4
12.0		Dihydropyran	0.4	0.4	0.1	0.3	0.4	0.0
12.5		2(5H)-Furanone	0.1	0.0	0.3	0.0	0.1	0.1
18.0		2,3-Dimethyl-cyclopenten-1-one	0.6	0.0	0.4	0.0	0.5	0.1
	Aldehydes
35.4		Vanillin	0.6	0.0	0.0	0.0	0.0	0.0
43.1		Syringaldehyde	0.8	0.0	0.0	0.0	0.0	0.0
	Alcohols
45.2		Dihydro-coniferylalcohol	0.2	0.0	0.0	0.0	0.0	0.0
	Sugars
39.7		Levoglucosan	2.9	0.0	0.0	0.0	0.0	0.0
	Phenols
15.8		Phenol	0.3	1.0	1.0	1.0	0.7	0.8
19.2		Cresol	0.4	1.2	1.1	1.2	0.7	1.5
20.5		Guaiacol	0.5	1.4	1.5	1.4	0.9	0.7
25		4-Ethyl-phenol	-	0.1	0.2	0.2	0.1	0.2
25.7		4-Methyl-guaiacol	-	0.3	0.1	3.3	0.2	3.1
29.5		4-Ethyl-guaiacol	0.3	0.9	0.6	0.5	0.3	0.4
32.9		Syringol	-	0.2	0.2	0.1	0.3	0.3
33.1		2,4-Dimethoxyphenol	-	0.1	0.1	0.1	0.0	0.1
33.4		4-Propyl-guaiacol	0.5	0.4	0.4	0.4	0.2	0.2
36.9		4-Methyl-syringol	1.8	0.6	0.3	0.6	0.6	0.6
37.1		4-Propenyl-guaiacol	0.6	0.2	0.1	0.2	0.2	0.3
43.1		4-Propyl-syringol	-	0.1	0.0	0.2	0.2	0.2
Total			13.6	8.9	8.6	11.5	8.6	11.1